<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="myServlet" method="post">
    <span>用户名</span><input type="text" name="username"><br>
    <span>密码</span><input type="password" name="password"><br>
    <span>验证码</span><input type="text" name="verify">
    <input type="submit" name="submit">
</form>
 
</body>
</html>